Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast

Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

Lat: 44.05°NLon: 103.05°WElev: 3202ft.

Mostly Cloudy

55°F

13°C

Humidity	69%
Wind Speed	N 12 mph
Barometer	29.82 in (1009.4 mb)
Dewpoint	45°F (7°C)
Visibility	10.00 mi
Wind Chill	52°F (11°C)
Last update	11 Oct 2:52 pm MDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Hermosa SD

This Afternoon
High: 60 °F
Partly Sunny
Tonight
Low: 46 °F
Chance
Showers and
Patchy Fog
Columbus Day
High: 65 °F
Decreasing
Clouds
Monday Night
Low: 38 °F
Slight Chance
Rain then
Rain Likely
Tuesday
High: 53 °F
Chance Rain
then Partly
Sunny
Tuesday Night
Low: 39 °F
Chance Rain
Wednesday
High: 54 °F
Chance Rain
Wednesday Night
Low: 41 °F
Rain Likely
Thursday
High: 59 °F
Slight Chance
Rain then
Partly Sunny
and Breezy

Detailed Forecast

This Afternoon

Partly sunny, with a high near 60. Northeast wind around 9 mph, with gusts as high as 21 mph.

Tonight

A chance of showers between 8pm and 2am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 46. Northeast wind 5 to 8 mph becoming light and variable after midnight. Winds could gust as high as 17 mph. Chance of precipitation is 40%.

Columbus Day

Mostly cloudy, then gradually becoming sunny, with a high near 65. Southeast wind 5 to 10 mph becoming north 11 to 16 mph in the afternoon. Winds could gust as high as 29 mph.

Monday Night

Rain likely, mainly after midnight. Increasing clouds, with a low around 38. North wind 13 to 18 mph becoming light after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 60%.

Tuesday

A 50 percent chance of rain before noon. Mostly cloudy, with a high near 53. Calm wind becoming east around 6 mph in the afternoon.

Tuesday Night

A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 39. Northeast wind around 5 mph becoming calm in the evening.

Wednesday

A 50 percent chance of rain. Mostly cloudy, with a high near 54.

Wednesday Night

Rain likely, mainly before midnight. Mostly cloudy, with a low around 41.

Thursday

A slight chance of rain before noon. Partly sunny, with a high near 59. Breezy.

Thursday Night

Mostly clear, with a low around 33. Breezy.